3805480 has 32 divisors (see below), whose sum is σ = 9786240. Its totient is φ = 1304640.

The previous prime is 3805471. The next prime is 3805489. The reversal of 3805480 is 845083.

It is an interprime number because it is at equal distance from previous prime (3805471) and next prime (3805489).

It is a super-3 number, since 3×3805480³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3805489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6516 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (305820).

Almost surely, 2^3805480 is an apocalyptic number.

It is an amenable number.

3805480 is an abundant number, since it is smaller than the sum of its proper divisors (5980760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3805480 is a wasteful number, since it uses less digits than its factorization.

3805480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13609 (or 13605 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 3805480 is about 1950.7639529169. The cubic root of 3805480 is about 156.1240521049.

The spelling of 3805480 in words is "three million, eight hundred five thousand, four hundred eighty".